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add CoordinatedShutdown, #21537

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* CoordinatedShutdown that can run tasks for configured phases in order (DAG)
* coordinate handover/shutdown of singleton with cluster exiting/shutdown
* phase config obj with depends-on list
* integrate graceful leaving of sharding in coordinated shutdown
* add timeout and recover
* add some missing artery ports to tests
* leave via CoordinatedShutdown.run
* optionally exit-jvm in last phase
* run via jvm shutdown hook
* send ExitingConfirmed to leader before shutdown of Exiting
  to not have to wait for failure detector to mark it as
  unreachable before removing
* the unreachable signal is still kept as a safe guard if
  message is lost or leader dies
* PhaseClusterExiting vs MemberExited in ClusterSingletonManager
* terminate ActorSystem when cluster shutdown (via Down)
* add more predefined and custom phases
* reference documentation
* migration guide
* problem when the leader order was sys2, sys1, sys3,
  then sys3 could not perform it's duties and move Leving sys1 to
  Exiting because it was observing sys1 as unreachable
* exclude Leaving with exitingConfirmed from convergence condidtion
This commit is contained in:
Patrik Nordwall 2016-12-01 18:49:38 +01:00
parent 4a9c753710
commit 84ade6fdc3
69 changed files with 1778 additions and 339 deletions
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5
akka-cluster/src/test/scala/akka/cluster/protobuf/ClusterMessageSerializerSpec.scala
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@ -43,9 +43,9 @@ class ClusterMessageSerializerSpec extends AkkaSpec(
"be serializable" in {
val address = Address("akka.tcp", "system", "some.host.org", 4711)
val uniqueAddress = UniqueAddress(address, 17)
val uniqueAddress = UniqueAddress(address, 17L)
val address2 = Address("akka.tcp", "system", "other.host.org", 4711)
val uniqueAddress2 = UniqueAddress(address2, 18)
val uniqueAddress2 = UniqueAddress(address2, 18L)
checkSerialization(InternalClusterAction.Join(uniqueAddress, Set("foo", "bar")))
checkSerialization(ClusterUserAction.Leave(address))
checkSerialization(ClusterUserAction.Down(address))
@ -54,6 +54,7 @@ class ClusterMessageSerializerSpec extends AkkaSpec(
checkSerialization(InternalClusterAction.InitJoinNack(address))
checkSerialization(ClusterHeartbeatSender.Heartbeat(address))
checkSerialization(ClusterHeartbeatSender.HeartbeatRsp(uniqueAddress))
checkSerialization(InternalClusterAction.ExitingConfirmed(uniqueAddress))
val node1 = VectorClock.Node("node1")
val node2 = VectorClock.Node("node2")